Non-Abelian gauge field in optics

Q Yan, Z Wang, D Wang, R Ma, C Lu, G Ma… - Advances in Optics …, 2023 - opg.optica.org
Non-Abelian optics has emerged as a promising research field with the potential to
revolutionize our understanding of light–matter interactions and enable new applications in …

Non-Abelian physics in light and sound

Y Yang, B Yang, G Ma, J Li, S Zhang, CT Chan - Science, 2024 - science.org
Non-Abelian phenomena arise when the sequence of operations on physical systems
influences their behaviors. By possessing internal degrees of freedom such as polarization …

Non-Abelian generalization of non-Hermitian quasicrystals: -symmetry breaking, localization, entanglement, and topological transitions

L Zhou - Physical Review B, 2023 - APS
Non-Hermitian quasicrystal forms a unique class of matter with symmetry-breaking,
localization and topological transitions induced by gain and loss or nonreciprocal effects. In …

Synthetic non-Abelian gauge fields for non-Hermitian systems

Z Pang, BTT Wong, J Hu, Y Yang - Physical Review Letters, 2024 - APS
Non-Abelian gauge fields are versatile tools for synthesizing topological phenomena, but
have so far been mostly studied in Hermitian systems, where gauge flux has to be defined …

Emergent non-Abelian Thouless pumping induced by the quasiperiodic disorder

S Huang, YQ Zhu, Z Li - Physical Review A, 2024 - APS
We investigate the non-Abelian Thouless pumping in a disorder tunable Lieb chain with
degenerate flat bands. The results reveal that quasiperiodic disorder will cause a topological …

Multi-dimensional band structure spectroscopy in the synthetic frequency dimension

D Cheng, E Lustig, K Wang, S Fan - Light: Science & Applications, 2023 - nature.com
The concept of synthetic dimensions in photonics provides a versatile platform in exploring
multi-dimensional physics. Many of these physics are characterized by band structures in …

Ultracompact and multifunctional integrated photonic platform

Z Du, K Liao, T Dai, Y Wang, J Gao, H Huang, H Qi… - Science …, 2024 - science.org
Realizing a multifunctional integrated photonic platform is one of the goals for future optical
information processing, which usually requires large size to realize due to multiple …

Topological degeneracy breaking in synthetic frequency lattice by Floquet engineering

X Qiao, L Wang, G Li, X Chen, L Yuan - Nanophotonics, 2023 - degruyter.com
Synthetic frequency dimensions provide important opportunities to investigate novel
topological phenomena. Previously, many theoretical proposals have been studied and …

Floquet engineering Dirac bands in synthetic frequency lattices

L Zheng, B Wang, C Qin, S Chen, L Zhao, S Wang… - Physical Review A, 2023 - APS
A waveguide coupler under periodically cascaded dielectric modulation is proposed to
generate a Floquet lattice in synthetic frequency dimension. The Floquet bands may hold …

Selection and enhancement of the frequency modes with Floquet exceptional points and chiral Zener tunneling

Y Chen, P Zhang, C Hong, Y Song, S Ke… - Applied Physics …, 2024 - pubs.aip.org
Mode selecting plays a vital role in the field of optoelectronics, such as optical
communication, signal processing, on-chip light manipulation, mode conversion, and …